Home / 52,918.45-79,376.04-17,855.17

Finding the Fourth Proportional to 52,918.45, 79,376.04 and 17,855.17

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Solution

The fourth proportional to 52,918.45, 79,376.04 and 17,855.17 is: 26,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,918.45 : 79,376.04 = 17,855.17 : x
  2. Step 2: Convert to fraction form
    52,918.45/79,376.04 = 17,855.17/x
  3. Step 3: Cross multiply
    52,918.45x = 79,376.04 × 17,855.17
  4. Step 4: Simplify right side
    52,918.45x = 1,417,272,688.13
  5. Step 5: Solve for x
    x = 1,417,272,688.13/52,918.45
  6. Step 6: Final answer
    x = 26,782.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.